From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH v2 2/3] drm/edid: Implement SCDC support detection Date: Fri, 2 Dec 2016 20:24:14 +0100 Message-ID: <20161202192415.16110-2-thierry.reding@gmail.com> References: <20161202192415.16110-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-pg0-x242.google.com (mail-pg0-x242.google.com [IPv6:2607:f8b0:400e:c05::242]) by gabe.freedesktop.org (Postfix) with ESMTPS id 625A46E9E0 for ; Fri, 2 Dec 2016 19:24:23 +0000 (UTC) Received: by mail-pg0-x242.google.com with SMTP id p66so8693559pga.2 for ; Fri, 02 Dec 2016 11:24:23 -0800 (PST) In-Reply-To: <20161202192415.16110-1-thierry.reding@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org Cc: Jose Abreu List-Id: dri-devel@lists.freedesktop.org RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KClNpbmtzIGNvbXBsaWFu dCB3aXRoIHRoZSBIRE1JIDIuMCBzcGVjaWZpY2F0aW9uIG1heSBzdXBwb3J0IFNDREMsIGEKbWVj aGFuaXNtIGZvciB0aGUgc291cmNlIGFuZCB0aGUgc2luayB0byBjb21tdW5pY2F0ZS4gU2lua3Mg YWR2ZXJ0aXNlCnN1cHBvcnQgZm9yIHRoaXMgZmVhdHVyZSBpbiB0aGUgSERNSSBGb3J1bSBWZW5k b3IgU3BlY2lmaWMgRGF0YSBCbG9jawphcyBkZWZpbmVkIGluIHRoZSBIRE1JIDIuMCBzcGVjaWZp Y2F0aW9uLCBzZWN0aW9uIDEwLjQgIlN0YXR1cyBhbmQKQ29udHJvbCBEYXRhIENoYW5uZWwiLiBJ bXBsZW1lbnQgYSBzbWFsbCBoZWxwZXIgdGhhdCBmaW5kIHRoZSBIRi1WU0RCCmFuZCBwYXJzZXMg aXQgdG8gY2hlY2sgaWYgdGhlIHNpbmsgc3VwcG9ydHMgU0NEQy4KClNpZ25lZC1vZmYtYnk6IFRo aWVycnkgUmVkaW5nIDx0cmVkaW5nQG52aWRpYS5jb20+Ci0tLQpDaGFuZ2VzIGluIHYyOgotIHJl bmFtZSBpbnRlcm5hbCBmdW5jdGlvbiB0byBjZWFfZGJfaXNfaGRtaV9mb3J1bV92c2RiKCkgZm9y IG1vcmUKICBjbGFyaXR5IChWaWxsZSBTeXJqw6Rsw6QpCgogZHJpdmVycy9ncHUvZHJtL2RybV9l ZGlkLmMgfCA0OSArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr CiBpbmNsdWRlL2RybS9kcm1fZWRpZC5oICAgICB8ICAxICsKIGluY2x1ZGUvbGludXgvaGRtaS5o ICAgICAgIHwgIDEgKwogMyBmaWxlcyBjaGFuZ2VkLCA1MSBpbnNlcnRpb25zKCspCgpkaWZmIC0t Z2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9lZGlkLmMgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2Vk aWQuYwppbmRleCAzMzZiZTMxZmYzZGUuLjM2OTk2MTU5N2VlNSAxMDA2NDQKLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2RybV9lZGlkLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2RybV9lZGlkLmMKQEAg LTMyMzgsNiArMzIzOCwyMSBAQCBzdGF0aWMgYm9vbCBjZWFfZGJfaXNfaGRtaV92c2RiKGNvbnN0 IHU4ICpkYikKIAlyZXR1cm4gaGRtaV9pZCA9PSBIRE1JX0lFRUVfT1VJOwogfQogCitzdGF0aWMg Ym9vbCBjZWFfZGJfaXNfaGRtaV9mb3J1bV92c2RiKGNvbnN0IHU4ICpkYikKK3sKKwl1bnNpZ25l ZCBpbnQgb3VpOworCisJaWYgKGNlYV9kYl90YWcoZGIpICE9IFZFTkRPUl9CTE9DSykKKwkJcmV0 dXJuIGZhbHNlOworCisJaWYgKGNlYV9kYl9wYXlsb2FkX2xlbihkYikgPCA3KQorCQlyZXR1cm4g ZmFsc2U7CisKKwlvdWkgPSBkYlszXSA8PCAxNiB8IGRiWzJdIDw8IDggfCBkYlsxXTsKKworCXJl dHVybiBvdWkgPT0gSERNSV9GT1JVTV9JRUVFX09VSTsKK30KKwogI2RlZmluZSBmb3JfZWFjaF9j ZWFfZGIoY2VhLCBpLCBzdGFydCwgZW5kKSBcCiAJZm9yICgoaSkgPSAoc3RhcnQpOyAoaSkgPCAo ZW5kKSAmJiAoaSkgKyBjZWFfZGJfcGF5bG9hZF9sZW4oJihjZWEpWyhpKV0pIDwgKGVuZCk7IChp KSArPSBjZWFfZGJfcGF5bG9hZF9sZW4oJihjZWEpWyhpKV0pICsgMSkKIApAQCAtMzY4Nyw2ICsz NzAyLDQwIEBAIGJvb2wgZHJtX2RldGVjdF9oZG1pX21vbml0b3Ioc3RydWN0IGVkaWQgKmVkaWQp CiBFWFBPUlRfU1lNQk9MKGRybV9kZXRlY3RfaGRtaV9tb25pdG9yKTsKIAogLyoqCisgKiBkcm1f ZGV0ZWN0X2hkbWlfc2NkYyAtIGRldGVjdCB3aGV0aGVyIGFuIEhETUkgc2luayBzdXBwb3J0cyBT Q0RDCisgKiBAZWRpZDogc2luayBFRElEIGluZm9ybWF0aW9uCisgKgorICogUGFyc2UgdGhlIENF QSBleHRlbnNpb24gYWNjb3JkaW5nIHRvIENFQS04NjEtQiB0byBmaW5kIGFuIEhGLVZTREIgYXMK KyAqIGRlZmluZWQgaW4gSERNSSAyLjAsIHNlY3Rpb24gMTAuMy4yICJIRE1JIEZvcnVtIFZlbmRv ciBTcGVjaWZpYyBEYXRhCisgKiBCbG9jayIgYW5kIGNoZWNrcyBpZiB0aGUgU0NEQ19QcmVzZW50 IGJpdCAoYml0IDcgb2YgYnl0ZSA2KSBpcyBzZXQuCisgKgorICogUmV0dXJuczoKKyAqIFRydWUg aWYgdGhlIHNpbmsgc3VwcG9ydHMgU0NEQywgZmFsc2Ugb3RoZXJ3aXNlLgorICovCitib29sIGRy bV9kZXRlY3RfaGRtaV9zY2RjKHN0cnVjdCBlZGlkICplZGlkKQoreworCXVuc2lnbmVkIGludCBz dGFydCwgZW5kLCBpOworCWNvbnN0IHU4ICpjZWE7CisKKwljZWEgPSBkcm1fZmluZF9jZWFfZXh0 ZW5zaW9uKGVkaWQpOworCWlmICghY2VhKQorCQlyZXR1cm4gZmFsc2U7CisKKwlpZiAoY2VhX2Ri X29mZnNldHMoY2VhLCAmc3RhcnQsICZlbmQpKQorCQlyZXR1cm4gZmFsc2U7CisKKwlmb3JfZWFj aF9jZWFfZGIoY2VhLCBpLCBzdGFydCwgZW5kKSB7CisJCWlmIChjZWFfZGJfaXNfaGRtaV9mb3J1 bV92c2RiKCZjZWFbaV0pKSB7CisJCQlpZiAoY2VhW2kgKyA2XSAmIDB4ODApCisJCQkJcmV0dXJu IHRydWU7CisJCX0KKwl9CisKKwlyZXR1cm4gZmFsc2U7Cit9CitFWFBPUlRfU1lNQk9MKGRybV9k ZXRlY3RfaGRtaV9zY2RjKTsKKworLyoqCiAgKiBkcm1fZGV0ZWN0X21vbml0b3JfYXVkaW8gLSBj aGVjayBtb25pdG9yIGF1ZGlvIGNhcGFiaWxpdHkKICAqIEBlZGlkOiBFRElEIGJsb2NrIHRvIHNj YW4KICAqCmRpZmYgLS1naXQgYS9pbmNsdWRlL2RybS9kcm1fZWRpZC5oIGIvaW5jbHVkZS9kcm0v ZHJtX2VkaWQuaAppbmRleCAzOGVhYmY2NWYxOWQuLjdlYTdlOTA4NDZkOCAxMDA2NDQKLS0tIGEv aW5jbHVkZS9kcm0vZHJtX2VkaWQuaAorKysgYi9pbmNsdWRlL2RybS9kcm1fZWRpZC5oCkBAIC00 NDAsNiArNDQwLDcgQEAgaW50IGRybV9hZGRfZWRpZF9tb2RlcyhzdHJ1Y3QgZHJtX2Nvbm5lY3Rv ciAqY29ubmVjdG9yLCBzdHJ1Y3QgZWRpZCAqZWRpZCk7CiB1OCBkcm1fbWF0Y2hfY2VhX21vZGUo Y29uc3Qgc3RydWN0IGRybV9kaXNwbGF5X21vZGUgKnRvX21hdGNoKTsKIGVudW0gaGRtaV9waWN0 dXJlX2FzcGVjdCBkcm1fZ2V0X2NlYV9hc3BlY3RfcmF0aW8oY29uc3QgdTggdmlkZW9fY29kZSk7 CiBib29sIGRybV9kZXRlY3RfaGRtaV9tb25pdG9yKHN0cnVjdCBlZGlkICplZGlkKTsKK2Jvb2wg ZHJtX2RldGVjdF9oZG1pX3NjZGMoc3RydWN0IGVkaWQgKmVkaWQpOwogYm9vbCBkcm1fZGV0ZWN0 X21vbml0b3JfYXVkaW8oc3RydWN0IGVkaWQgKmVkaWQpOwogYm9vbCBkcm1fcmdiX3F1YW50X3Jh bmdlX3NlbGVjdGFibGUoc3RydWN0IGVkaWQgKmVkaWQpOwogaW50IGRybV9hZGRfbW9kZXNfbm9l ZGlkKHN0cnVjdCBkcm1fY29ubmVjdG9yICpjb25uZWN0b3IsCmRpZmYgLS1naXQgYS9pbmNsdWRl L2xpbnV4L2hkbWkuaCBiL2luY2x1ZGUvbGludXgvaGRtaS5oCmluZGV4IGVkYmI0ZmM2NzRlZC4u ZDI3MWZmMjM5ODRmIDEwMDY0NAotLS0gYS9pbmNsdWRlL2xpbnV4L2hkbWkuaAorKysgYi9pbmNs dWRlL2xpbnV4L2hkbWkuaApAQCAtMzUsNiArMzUsNyBAQCBlbnVtIGhkbWlfaW5mb2ZyYW1lX3R5 cGUgewogfTsKIAogI2RlZmluZSBIRE1JX0lFRUVfT1VJIDB4MDAwYzAzCisjZGVmaW5lIEhETUlf Rk9SVU1fSUVFRV9PVUkgMHhjNDVkZDgKICNkZWZpbmUgSERNSV9JTkZPRlJBTUVfSEVBREVSX1NJ WkUgIDQKICNkZWZpbmUgSERNSV9BVklfSU5GT0ZSQU1FX1NJWkUgICAgMTMKICNkZWZpbmUgSERN SV9TUERfSU5GT0ZSQU1FX1NJWkUgICAgMjUKLS0gCjIuMTAuMgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmkt ZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==